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Ellensburg (WA) Weather and Climate: A Comprehensive Guide

Ellensburg experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. The city has a dry climate with very low precipitation levels. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

The climate in Ellensburg is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C in July to a chilly 2°C in December.

Nighttime temperatures can drop, with average lows reaching -6°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Ellensburg is known for its low rain/snowfall, with yearly precipitation amounts around 228 mm. The seasons in Ellensburg, bring significant changes in precipitation. The wettest month, December, receives moderate snow/rainfall, with an average of 39 mm of precipitation. This snow/rainfall is distributed across 11 snowy/rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 4 mm over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ellensburg Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Ellensburg (WA)

Mon   Dec 23
2°C | -2°C
E 4 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
6°C | 0°C
NW 5 m/s
2.7 mm
broken clouds and rain

broken clouds and rain

Wed   Dec 25
3°C | -2°C
E 3 m/s
10 mm
overcast and rain

overcast and rain

The best time of year to visit Ellensburg in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Ellensburg?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Ellensburg?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Ellensburg?
    The coldest month is December with an average maximum temperature of 2°C.
  • Which is the wettest month in Ellensburg?
    December tops the wettest month list with 39 mm of rainfall.
  • Which is the driest month in Ellensburg?
    August is the driest month with 4 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.